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Freshwater isopods (Asellidae) of North America

1972

Williams, W. D. (William David)

The Biodiversity Heritage Library - United Kingdom

Freshwater isopods (Asellidae) of North America

1972

Williams, W. D (William David)

National Agricultural Library - United States of America

The freshwater amphipod crustaceans (Gammaridae) of North America

1972

Holsinger, John R.

National Agricultural Library - United States of America

Crayfishes (Astacidae) of North and Middle America

1972

Hobbs, Horton H. (Horton Holcombe)

National Agricultural Library - United States of America

The genus Argulus (Crustacea: Branchiura) of the United States

1972

Cressey, Roger F.

National Agricultural Library - United States of America